This is a basic hobby reamer from Racers Edge. Capable of use with plastics, polycarbonate, wood, or even light metals the Racers Edge universal basic hobby reamer is one tool that should be in everyone's kit! This reamer easily pilots and enlarges holes to 15mm (.590) diameter. The machined, brightly anodized handle offers a comfortable grip. The hardened reamer bit is honed to razor-sharp point and comes ready to tackle most hobby and household chores.